Seabed Identification and Characterization Using Sonar

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td align="left">Parameters</td><td align="center">Quantity</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left">Frequency (kHz)</td><td align="center">200</td></tr><tr><td align="left">Beam width (deg)</td><td align="center">8.5</td></tr><tr><td align="left">Equivalent beam angle (dB re 1 sr)</td><td align="center">
                −19.0
              </td></tr><tr><td align="left">Band width (kHz)</td><td align="center">
												4
											</td></tr><tr><td align="left">Pulse duration (ms)</td><td align="center">
												0.4
											</td></tr><tr><td align="left">Target strength of standard sphere (dB)</td><td align="center">
                −39.1
              </td></tr><tr><td align="left">Absorption coefficient (dB/km)</td><td align="center">
												45.5
											</td></tr><tr><td align="left">Transmitting and receiving factor (dB)</td><td align="center">
												50.5
											</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Specification of QSS and calibration data.

Advances in Acoustics and Vibration

tab2

Table 2

Table 2: Seabed Identification and Characterization Using Sonar 